f(m)=m^3+4m^2-16m-64

解答

f (m) = m^{3} + 4 m^{2} - 16 m - 64

真

求解步骤

f (m) = m^{3} + 4 m^{2} - 16 m - 64

两侧相等

真

y = \frac{3 a x ^{3}}{2}

y = 3 cos (3 x)

f (n) = n^{2} + 7 n - 30

y = cos^{3} (\frac{x}{3})

f (x) = \frac{x ^{2} + 2 x - 3}{x ^{2} - 4}